Shift Interlock Solenoid Repair Costs
Below are the typical repair costs for shift interlock solenoid issues. All estimates include our standard labor rate of $125/hour plus parts.
Basic Shift Interlock Solenoid Replacement
Average Cost: $225-$375
- Labor time: 1-2 hours ($125-$250)
- Parts: $100-$125 for the solenoid
- Includes diagnosis, removal, and replacement
Complex Shift Interlock System Repair
Average Cost: $375-$625
- Labor time: 2-3 hours ($250-$375)
- Parts: $125-$250 (may include additional components)
- Includes extensive diagnosis, wiring repairs, and system testing
Emergency Shift Lock Override Repair
Average Cost: $175-$275
- Labor time: 1 hour ($125)
- Parts: $50-$150
- Includes repair/replacement of override mechanism
Note: Prices may vary depending on vehicle make and model. Some luxury vehicles may require specialized parts that could increase costs. All repairs come with our standard warranty.
Shift Interlock Solenoid Repair Procedures
BMW Shift Interlock Solenoid
Tools Required:Trim removal tools, T20 Torx screwdriver, replacement solenoid
Repair Steps:
- Remove the center console trim using proper trim removal tools
- Disconnect the negative battery terminal
- Remove the shift boot and trim surrounding the shifter
- Locate the shift interlock solenoid on the side of the shifter assembly
- Remove the T20 Torx screws securing the solenoid
- Disconnect the electrical connector
- Install the new solenoid in reverse order
- Reconnect the battery and test operation
Average repair time:45-60 minutes
Mercedes-Benz Shift Interlock Solenoid
Tools Required:Trim removal tools, 10mm socket, replacement solenoid
Repair Steps:
- Remove the center console trim panels
- Disconnect the battery
- Remove the shifter knob and boot
- Unplug the electrical connectors from the shifter assembly
- Remove the mounting bolts and lift out the shifter assembly
- Replace the solenoid on the shifter assembly
- Reinstall in reverse order
- Perform basic programming if required
Average repair time:1-2 hours
Audi/VW Shift Interlock Solenoid
Tools Required:Trim removal tools, T25 Torx screwdriver, replacement solenoid
Repair Steps:
- Remove the shift boot and trim
- Disconnect the battery
- Remove the center console trim pieces
- Locate the shift interlock solenoid on the shifter assembly
- Remove the Torx screws securing the solenoid
- Disconnect the electrical connector
- Install new solenoid
- Reassemble in reverse order
Average repair time:30-45 minutes
Note: These are general repair procedures. Specific steps may vary by model and year. Always consult the appropriate service manual for your vehicle. Professional installation is recommended.
Important Safety Notice:Always ensure the vehicle is in park and the parking brake is engaged before beginning any repair work. Disconnect the battery to prevent electrical shorts during repair.
What is a Shift Interlock Solenoid

AShift Interlock Solenoidis a critical safety device in automatic transmission vehicles that prevents the gear selector from being moved out of "Park" unless specific conditions are met. This system was mandated for all passenger vehicles in North America since 2010 as a safety measure.
How Does a Shift Interlock Solenoid Work
The shift interlock solenoid operates through an electromagnetic mechanism that:
- Locks the gear shifter in place when the vehicle is in "Park"
- Only releases when both the ignition is in the "ON" position and the brake pedal is pressed
- Prevents accidental gear engagement that could cause the vehicle to roll unexpectedly
Key Functions and Benefits
The shift interlock solenoid provides several important safety features:
- Prevents Vehicle Roll-Away:Ensures the vehicle cannot be shifted out of park without proper safety conditions
- Child Safety:Helps prevent children from accidentally shifting the vehicle into gear
- Mechanical Protection:Protects the transmission from damage due to improper gear engagement
Common Signs of Failure
When a shift interlock solenoid begins to fail, you may notice:
- Difficulty shifting out of park even with brake pedal pressed
- Unusual clicking sounds when attempting to shift
- Ability to shift without pressing the brake pedal (dangerous condition)
- Complete inability to shift out of park
Note: If you experience any of these symptoms, it's important to have your vehicle inspected by a qualified technician to ensure safe operation.
Common Failure Symptoms of the Shift Interlock Solenoid System
Shift Interlock Solenoid: Signs of Failure & Maintenance Guide
Common Signs of Shift Interlock Solenoid Failure
Unable to Shift Out of Park: The most common symptom is being unable to move the shifter from Park position, even with your foot firmly on the brake pedal.
Stuck in Other Gears: In some cases, the shifter might become stuck in positions other than Park, indicating a failed solenoid.
Intermittent Operation: The shifter works sometimes but not others, especially in cold weather or after the vehicle sits for extended periods.
Unusual Clicking Sounds: You might hear clicking noises when pressing the brake pedal and attempting to shift, indicating a failing solenoid.
Maintenance Schedule
Regular Inspection: The shift interlock solenoid should be inspected during routine maintenance, typically every 50,000 miles.
Preventive Maintenance: There is no specific replacement interval as this is generally a long-lasting component. However, vehicles in high-use situations (like taxis or delivery vehicles) may require more frequent inspections.
Environmental Factors: Vehicles in areas with extreme weather conditions or high humidity may need more frequent inspections due to increased wear and corrosion risk.
Important Note: If you experience any signs of shift interlock solenoid failure, it's recommended to have it inspected immediately by a qualified technician, as this is a critical safety component.
How It Works
- Get a quote online or set-up a time to have your vehicle looked at.
- Pick time slots that work for you, easily, online.
- We will confirm appointments and send reminders.
- Our mechanics bring everything that is needed to you.
- All you have to do is provided a safe area for the work to be performed.
What we need from you
- A safe place to work on your vehicle
- No working on the side of busy roads
- No working on unstable or steep surfaces.
- We do not perform repairs during severe weather.
- Authorization from a property owner or management.
- Repair work done in a parking lot or at your requires permission.
- We do not do repairs in areas restricted by law.
Common Questions
Service Area
Our primary service area is greater Grand Rapids and includes Comstock Park, East Grand Rapids, Grandville, Kentwood, Walker, and Wyoming
Our secondary service area is provided by our Belding location and includes: Belding, Greenville, Ionia and the sorrounding areas.
Contact us if you have any questions about where we provide services.